Bracket for an antenna



FIG. 1 is a top, front right side perspective view of a bracket for an antenna showing our new design;

FIG. 2 is a front elevational view thereof, the rear elevational view being the same as FIG. 2;

FIG. 3 is a top plan view thereof, the bottom plan view being the same as FIG. 3; and,

FIG. 4 is a right side elevational view thereof, the left side elevational view being the same as FIG. 4. 

The ornamental design for a bracket for an antenna, as shown and described. 